Community-associated methicillin-resistant Staphylococcus aureus in acute musculoskeletal infection in children: a

Kelly L Vander Have1, Boaz Karmazyn, Maneesh Verma

  • 1Department of Orthopaedic Surgery, University of Michigan, Ann Arbor, MI 48109, USA. klvander@med.umich.edu

Abstract

Insights

Community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) causes severe pediatric musculoskeletal infections. Aggressive surgical treatment and antibiotics are crucial but long-term complications remain a concern.

Area of Science:

  • Pediatric Infectious Diseases
  • Musculoskeletal Infections
  • Bacterial Pathogenesis

Background:

  • Community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) is a growing threat in pediatric musculoskeletal infections.
  • This pathogen causes invasive infections in previously healthy children.

Purpose of the Study:

  • To characterize the clinical presentation, course, treatment, and outcomes of CA-MRSA musculoskeletal infections in children.
  • To identify potential complications and long-term morbidity associated with these infections.

Main Methods:

  • Retrospective case series involving 27 pediatric patients from two institutions.
  • Data collected included clinical presentation, treatment interventions, and patient outcomes.
  • Magnetic resonance imaging (MRI) was utilized for diagnosis.

Main Results:

  • The majority of infections involved the extremities.
  • 12 patients required intensive care unit admission, with 4 experiencing acute multisystem failure.
  • Seven patients developed deep venous thrombosis and septic pulmonary emboli.
  • All patients underwent surgical intervention, with 16 requiring multiple debridements.

Conclusions:

  • CA-MRSA musculoskeletal infections pose a significant limb- and life-threatening risk to children.
  • Prompt recognition, aggressive surgical drainage/debridement, and prolonged antibiotic therapy are essential.
  • Despite aggressive management, substantial long-term morbidity is possible.

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